22601005 has 24 divisors (see below), whose sum is σ = 32647320. Its totient is φ = 14958720.

The previous prime is 22601003. The next prime is 22601021. The reversal of 22601005 is 50010622.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 142884 + 22458121 = 378^2 + 4739^2 .

It is not a de Polignac number, because 22601005 - 2¹ = 22601003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22601005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22601003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5515 + ... + 8695.

It is an arithmetic number, because the mean of its divisors is an integer number (1360305).

Almost surely, 2^22601005 is an apocalyptic number.

It is an amenable number.

22601005 is a deficient number, since it is larger than the sum of its proper divisors (10046315).

22601005 is a wasteful number, since it uses less digits than its factorization.

22601005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229 (or 3222 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 22601005 is about 4754.0514300962. The cubic root of 22601005 is about 282.7326196364.

Adding to 22601005 its reverse (50010622), we get a palindrome (72611627).

The spelling of 22601005 in words is "twenty-two million, six hundred one thousand, five".